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Heat Sinks

PCB Heat Sinks

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  • Suitable for all conventional semiconductor housing sizes
  • Heat sinks for TO-220 and TO-218 semiconductor housings
  • Heat sinks for SMD components
  • PCB heat sinks in the form of pin fin, clip-on and small heat sinks for screw or clip-on mounting
  • Vertical or punched profile heat sinks
  • Profile heat sinks with integrated soldering pins for flow soldering to PCB
  • On-clip PCB heat sinks for mounting on semiconductor elements
  • Screwed cooling elements

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Datasheets
(Coming Soon)

Heat Sinks for SMD Components

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  • Made from tin-plated copper or anodised aluminium; available as loos bulk parts or on tape reels
  • RoHS compliant 100% matte tin plating with nickel underplate
  • No attachment holes required in the printed circuit board
  • Wing configuration will not interfere with adjacent components
  • Available in tape and reel packaging for use with automated SMT pick and place equipment
  • Compatible with both tin-lead and lead free (Sn/Ag/Cu) solders

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Datasheets
(Coming Soon)

Clip-On Heat Sinks

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  • For fast and easy fixture on all conventional housings as well as soldering pins, screw slots and interface materials
  • First-class raw material from certified manufacturers
  • Quality checks during and after production
  • Traceability thanks to laser marking of every single element
  • In-house hardening including continuous tests

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Datasheets
(Coming Soon)

Profile Heat Sinks

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  • Made from tin-plated or anodised aluminium; available as loose bulk parts or on tape reels
  • Comb-shaped profile heat sinks
  • Pin fin heat sinks
  • Extra-small heat sinks
  • Anodising
  • Chromating
  • Powder coating
  • Wet painting

Datasheets
(Coming Soon)

High-Performance Heat Sinks

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  • Modular design with high packing density
  • Made from high-temperature soldered aluminium or aluminium/copper
  • Minimum transition resistance
  • Bonding at molecular level
  • Ideal for fan-assisted cooling
  • Modular design for fan-assisted high-performance heat sinks
  • Large choice of standard modules
  • Configurable to suit specific applications
  • Tailor-made solutions without extra tooling costs

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Datasheets
(Coming Soon)

Liquid Heat Sinks

In the form of cold plate and high-temperature soldered aluminium or aluminium/cooper
Product-Types Pictures Features Links
Brazed Liquid Heat Sinks
  • Blister and microchannel liquid cold plates
  • High temperature soldering of Al and stainless steel
  • Cooling medium water + glycol in stainless steel heat sinks
  • Application-specific dimensioning

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Datasheets
(Coming Soon)
Super Plates
  • Cold plates made in aluminium and copper
  • Integrated copper and stainless steel tubes (V2A/V4A)
  • Extruded or core hole drilled cooling channels
  • Project-specific dimensioning

Die Cast Heat Sinks

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  • Including design, machining, surfcae finishing and delivery service
  • Die cast heat sinks made in aluminium
  • HDDC (High Density Die Casting) for aluminium liquid cold plants and high-performance heat sinks
  • Thin Fins with high aspect ratio
  • Enhanced post forming processes
    • Uniform heat distribution
    • Large-series production
    • Perfectly tight

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Datasheets
(Coming Soon)

Embedded Solutions

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  • Active and passive cooling solutions in project-specific designs
  • Heat sinks with copper inlays for direct installation on hot spots
  • Heat spreaders with integrated heat pipes
  • DC, AC and industrial fans for forced convection cooling, in parts or fully assembled
  • Complete heat sink kits (with or without copper inlays) including insulation, mounting bolts, screws, etc., in blister pack
  • Customised housings
  • Available with anodised, powder coated or printed front panels

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Datasheets
(Coming Soon)

LED Cooling

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  • For indoor and outdoor installation
  • For small LEDs with a power rating in the mill watt range, heat dissipation through the existing soldered connection is normally sufficient to protect the semiconductor crystal against damage
  • The moment the power rating reaches 1 W, LEDs need to be cooled, whereby passive cooling is normally sufficient
  • High-performance LEDs that are operated with currents greater than 20 mA need to be equipped with heat sinks and forced convection
  • The CTX product range includes both passive and active cooling solutions for LEDs, covering indoor as well as outdoor installations
  • Apart from standard heat sinks, CTX is renowned for its customised LED cooling solutions
  • The most popular standard solutions include PCB, SMD and profile heat sinks with our without AC or DC fan

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Datasheets
(Coming Soon)

Fans

DC and AC fans and blowers are required in systems were passive convection is simply insufficient to protect the drive assemblies and electronic components against overheating.
Industrial fans and blowers are used to cool Fans and blowers can be used separately or in combination with heat sinks
Product Type Pictures Description Specifications Links
DC/AC Flat Fans
  • Powerful, low-noise fan
  • Excellent energy efficient ratings
  • Particularly suitable for industrial applications and electronic components
  • Round or rectangular housings made in black anodised aluminium or transparent plastic (UL-94V-O)
  • The square models with hole pattern are particularly easy to install
  • The fans can be upgraded with optional PWM, auto restart and alarm functions
  • Size: 30 ... 220mm
  • Volumetric flow rate: 11,32 ... 122742,65 l/min
  • Supply voltage: 12, 24, 48, 100, 110, 220, 240V

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Datasheets
(Coming Soon)
DC Fan Blowers
  • Typically used in projectors, humidifiers and household appliances.
  • Volumetric flow rate: 48,14 ... 1019,14 l/min
  • Supply voltage: 12, 24V
New: "Golf" DC Fan
  • Range with dimpled impeller blades was developed
  • The dimples help reduce air drag and turbulence, thus increasing the volumetric air flow while ensuring low-noise smooth running
  • Side length: 50, 80, 92, 95, 120, 140 mm
  • Mounting depth: 15, 25, 32 mm
  • Volumetric flow rate: 406,35 ... 2509,44 l/min

Housing Technology

Electronic components such as power supplies and PCBs are often encased in housings that protect them against dust and impact. In order to prevent overheating of the devices, these housings must be able to dissipate heat efficiently and quickly. At the same time, they must shield the electronic components against electromagnetic interference while minimising electromagnetic radiation from the device.
CTX offers special metal housings that meet these requirements made in profiled or punched and bent metal.
Product Type Picture Features Links
Profiled Housing
  • Extruded profiles
  • Die cast housings
  • Anodised, powder coated, wet painted, chromated
  • Sand or glass bead blasted finish
  • CNC-machined

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Datasheets
(Coming Soon)
Punched and Bent Housings
  • Materials: Sheet steel, galvanised sheet steel, aluminium, stainless steel
  • Professional surface finish
  • Punch/nibble technology
  • Including push-in bolts/sockets
Front Panle Design Service
  • Customised front panels including foil printing
  • Single- or multi-colour screen print lettering/labelling or laser engraving
  • Anodised, wet painted, chromated or powder coated surface finish
Technical Aluminium Components
  • Project-specific designs
  • Punched, nibbled, laser-machined and/or chamfered
  • Integrated threaded bolts
  • Perfect surface finish
  • Protected by one-component varnish

Rotary Knobs

Small, colourful and normally round – rotary knobs are found in many devices to switch them on or off and to adjust the temperature, speed, volume, etc.
They feature on consumer electronics and industrial equipment, where they often are connected to electromechanical rotary potentiometers.
Products Pictures Features Links
Rotary Knobs
  • Collet fixture
  • Push-on knobs
  • Soft-touch knobs
  • Diameters 8, 10, 13, 15, 21, 28, 36, 45 mm

Broschure

Datasheets
(Coming Soon)
Scrubber Knobs
  • For multi-turn fine control
  • For mounting on round shaft of 6 mm or 1/4" in diameter
  • Additional colours and designs available for smaller shafts
Customised Knobs and Plastic Housings
  • Production according to customer drawing or model
  • Customised plastic injection moulded parts
  • Part weights from 0.3 g
  • Parts with complex geometry
  • Overmoulding of insert parts
Accessories
  • Dials for 27˚, 30˚, 36˚, 60˚ raster
  • Colour collets and arrows
  • Industrial collets

Applications

Medical Technical Equipment

Picture Description Useful Products
Medical technical devices can save lives. The quality standards for such devices are therefore extremely high. All components built into a medical technical device, including of course heat sinks and fans, must meet stringent quality criteria as regards reliability and durability. High-performance heat sinks and efficient fans dissipate the heat produced by the electronic components installed in the medical technical device, ensuring that it works properly all the time across its service life. Many medical technical devices are fitted with liquid heat sinks, as they offer optimum cooling performance and take up only little space.

Home Electronics and Appliances

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Washing machines and refrigerators, TVs and mp3 players – they all feature electronic components. Without them, no laundry can be washed, the milk would get sour, there would be no picture on the screen and no music from the headphones. Electronic components in household appliances and home electronics have made these devices more powerful and at the same time smaller than ever. Such packed power comes at a price: inside the devices, a lot of heat is produced that needs to be dissipated as quickly and as efficiently as possible. Otherwise, the devices would quickly break down. To prevent this, they are equipped with clip-on or profile heat sinks, or special heat sinks for SMD components and printed circuit boards.

Railway Electronics

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Technical equipment used in public transport systems such as trains must meet particularly high standards as regards safety, reliability and durability. At the same time, the units should not take up too much space in railway carriages. The technical components must thus be small yet powerful and of excellent quality. This also applies to the electronic parts used in trains. High-performance parts installed in small spaces result in high power loss per cubic metre. This heat must be quickly dissipated in order to protect the electronics against damage. For this purpose, train electronics are normally equipped with high-performance liquid heat sinks. Some of these measure up to 2 m and weight around 200 kg. Such large heat sinks are for example found on inverters.

High-Performance LEDS

Picture Description Useful Products
High-performance LEDs are energy-efficient and safe. Their service life and efficiency is significantly higher than that of conventional incandescent bulbs. However, LEDs still produce significant amounts of heat. This heat is transferred by the depletion layer through the metal connections to the PCB and dissipates into the environment. The temperature of the depletion layer also affects the dominating wavelengths and the brightness of the LED, and thus the colour of the emitted light. As the temperature increases, the brightness of the luminaire is gradually reduced while there is a marked colour change. To control the temperature of high-performance LEDs, optimised application-specific LED heat sinks are a must. They do not only prolong the service life of the luminaire but also ensure uniform brightness and light colour.

Renewable Energy

Picture Description Useful Products
Modern renewable energy plants feature a wide range of electronic assemblies, such as control units for the alignment of the rotor blades and yaw control devices in wind turbines, or inverters in photovoltaic plants. When the temperature inside these devices increase, their performance drops, reducing the efficiency of the entire plant. For reliable and efficient power generation, the electronic assemblies need to be constantly cooled. This is done through high-performance heat sinks, or cooling housings, which is the preferred option for inverters. As renewable power plants are often exposed to extreme weather conditions and are generally hard to access, their cooling equipment must meet particularly stringent requirements: They must be corrosion-proof and durable, and maintenance must be reduced to a minimum.